Emerson Avocent HMX Digital High Performance KVM Switch Guide De Montage
Appendices 83
Appendix D: Troubleshooting
No power status light on HMX user station
•
Verify that the power supply is plugged in correctly.
•
Ensure that the power cable from the Avocent-supplied power supply is securely plugged into
the HMX user station.
the HMX user station.
No video on monitor attached to HMX user station
•
Verify that the monitor attached to the HMX user station has power.
•
Ensure that the video cable from the monitor is securely plugged in to the correct connector on
the HMX user station.
the HMX user station.
•
Verify that the remote computer is turned on.
•
Confirm that a network connection exists between the transmitter and HMX user station.
•
Verify the address of the target transmitter configured in the user station is correct.
•
Confirm that the IP address used by the transmitter has not been assigned to a second device on
the network.
the network.
•
Confirm that the IP address used by the HMX user station has not been assigned to a second
device on the network.
device on the network.
•
Verify that the transmitter is drawing sufficient power from the USB connections on the remote
workstation and that it has booted correctly:
•
workstation and that it has booted correctly:
•
If the green LED on the transmitter is on, the transmitter is drawing sufficient power.
•
If the transmitter cannot draw sufficient power from the remote workstation you will need
to obtain an external power supply unit for the transmitter from Avocent. If connected
through a USB hub, ensure that the hub can supply enough power.
to obtain an external power supply unit for the transmitter from Avocent. If connected
through a USB hub, ensure that the hub can supply enough power.
•
Verify that the correct video setting has been configured in the transmitter serial menu:
•
•
If the remote workstation provides DVI-only video, verify that the transmitter serial menu
has been configured for DVI. Then restart the remote workstation.
has been configured for DVI. Then restart the remote workstation.
•
If the remote workstation provides VGA-only video, verify that the transmitter serial
menu has been configured for VGA. Then restart the remote workstation.
menu has been configured for VGA. Then restart the remote workstation.
•
The transmitter has an internal fan. Verify that the fan is functioning.
•
Turn the HMX user station on, then off again. An informational message should appear on the
monitor for a brief moment. If the message does not appear, check the monitor by plugging the
video cable from the monitor directly into the remote workstation to verify that the monitor is
working and that the remote workstation is generating active video. If this is functioning,
check that the display settings for your remote workstation are set no higher than a resolution
of 1280 x 1024 at 60 Hz refresh rate.
monitor for a brief moment. If the message does not appear, check the monitor by plugging the
video cable from the monitor directly into the remote workstation to verify that the monitor is
working and that the remote workstation is generating active video. If this is functioning,
check that the display settings for your remote workstation are set no higher than a resolution
of 1280 x 1024 at 60 Hz refresh rate.